# -*- coding:UTF-8 -*-
from socket import *

HOST = '127.0.0.1'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)

udpCliSock = socket(AF_INET,SOCK_DGRAM)

while True:
    data = raw_input("> ")
    if not data:
        break
    udpCliSock.sendto(data,ADDR)
    data, ADDR = udpCliSock.recvfrom(BUFSIZ)
    if not data:
        break
    print data
udpCliSock.close()